Source: Kiss the kids of dad, don’t forget to write. The Wartime Letters of George Timmins, 1916-18. Page 135.
Family Search: Lance-Corporal Frederick Frank Cooper was born on 6 March 1886, in Bath, Somerset, England, United Kingdom as the son of William Cooper. He married Gertrude Ella Herridge on 19 December 1910, in Ontario, Ontario, Canada. They were the parents of at least 2 sons and 1 daughter. He lived in Oshawa, Ontario, Ontario, Canada for about 16 years. He registered for military service in 1915. In 1931, at the age of 45, his occupation is listed as laborer in Oshawa, Ontario, Ontario, Canada. He died on 10 September 1962, at the age of 76, and was buried in Oshawa, Ontario, Ontario, Canada
Married to Gertrude Herridge, a British Home Child.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 